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Class Information
Number: 451/333
Name: Abrading > Work feeder > Rotary > With hopper or magazine
Description: Work feeder including a receptacle for holding and discharging workpieces in a controlled manner to the rotary work feeder.










Patents under this class:

Patent Number Title Of Patent Date Issued
8657648 Processing apparatus having four processing units Feb. 25, 2014
8597073 Method and device for machining the leading edge of a turbine engine blade Dec. 3, 2013
7988531 Grinding machine Aug. 2, 2011
7083502 Method for simultaneous two-disk texturing Aug. 1, 2006
6808445 Device for loading and unloading optical workpieces Oct. 26, 2004
6676493 Integrated planarization and clean wafer processing system Jan. 13, 2004
6629883 Polishing apparatus Oct. 7, 2003
6358128 Polishing apparatus Mar. 19, 2002
6149498 Semiconductor wafer handling system Nov. 21, 2000
6071179 Apparatus and method for grinding and polishing spherical bodies Jun. 6, 2000
5906537 Five spindle fluting machine May. 25, 1999
5791972 Polishing/grinding method Aug. 11, 1998
5755613 Two grinder opposed grinding apparatus and a method of grinding with the apparatus May. 26, 1998
5388374 Apparatus and method for grinding points Feb. 14, 1995
5315791 Steel ball machining apparatus capable of eliminating foreign matter May. 31, 1994
4896461 Internal grinding machine Jan. 30, 1990
4856232 Workpiece carrier means for surface grinding machine Aug. 15, 1989
4837983 Drill bit sharpening apparatus Jun. 13, 1989
4829716 Apparatus for automatically performing plural sequential spherical grinding operations on workpieces May. 16, 1989
4782633 Drill bit sharpening method Nov. 8, 1988
4760671 Method of and apparatus for automatically grinding cathode ray tube faceplates Aug. 2, 1988
4759154 Blocking machine for lens manufacture Jul. 26, 1988
4739533 Machine for scraping off the plastic coating of a used wire Apr. 26, 1988
4666358 Apparatus for handling parts May. 19, 1987
4453347 Apparatus for manipulating workpieces having plane parallel surfaces Jun. 12, 1984











 
 
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